./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-65.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-65.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1909061afd980a39396ef4a3c6a4eb0a48d7b8752c9988e586de4638f163afa1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 15:14:33,222 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 15:14:33,272 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 15:14:33,276 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 15:14:33,276 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 15:14:33,297 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 15:14:33,297 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 15:14:33,298 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 15:14:33,298 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 15:14:33,298 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 15:14:33,298 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 15:14:33,298 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 15:14:33,298 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 15:14:33,299 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 15:14:33,299 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 15:14:33,299 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 15:14:33,299 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 15:14:33,299 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 15:14:33,299 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 15:14:33,299 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 15:14:33,299 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 15:14:33,299 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 15:14:33,299 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 15:14:33,300 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 15:14:33,300 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 15:14:33,300 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 15:14:33,300 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 15:14:33,300 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 15:14:33,300 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 15:14:33,300 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:14:33,300 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:14:33,300 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:14:33,300 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:14:33,300 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 15:14:33,300 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:14:33,301 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:14:33,301 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:14:33,301 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:14:33,301 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 15:14:33,301 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 15:14:33,301 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 15:14:33,301 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 15:14:33,301 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 15:14:33,301 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 15:14:33,301 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 15:14:33,302 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 15:14:33,302 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 15:14:33,302 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 15:14:33,302 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1909061afd980a39396ef4a3c6a4eb0a48d7b8752c9988e586de4638f163afa1 [2024-12-02 15:14:33,503 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 15:14:33,511 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 15:14:33,514 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 15:14:33,515 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 15:14:33,515 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 15:14:33,516 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-65.i [2024-12-02 15:14:36,139 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/data/26ebf5a75/8542cc99e80a47c39c70f251f5dbc3ca/FLAGc8b852f7d [2024-12-02 15:14:36,360 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 15:14:36,360 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-65.i [2024-12-02 15:14:36,368 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/data/26ebf5a75/8542cc99e80a47c39c70f251f5dbc3ca/FLAGc8b852f7d [2024-12-02 15:14:36,734 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/data/26ebf5a75/8542cc99e80a47c39c70f251f5dbc3ca [2024-12-02 15:14:36,736 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 15:14:36,737 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 15:14:36,738 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 15:14:36,738 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 15:14:36,741 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 15:14:36,741 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:14:36" (1/1) ... [2024-12-02 15:14:36,742 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2778b281 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:14:36, skipping insertion in model container [2024-12-02 15:14:36,742 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:14:36" (1/1) ... [2024-12-02 15:14:36,754 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 15:14:36,853 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-65.i[916,929] [2024-12-02 15:14:36,902 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:14:36,911 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 15:14:36,919 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-65.i[916,929] [2024-12-02 15:14:36,953 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:14:36,967 INFO L204 MainTranslator]: Completed translation [2024-12-02 15:14:36,968 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:14:36 WrapperNode [2024-12-02 15:14:36,968 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 15:14:36,969 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 15:14:36,969 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 15:14:36,969 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 15:14:36,974 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:14:36" (1/1) ... [2024-12-02 15:14:36,984 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:14:36" (1/1) ... [2024-12-02 15:14:37,015 INFO L138 Inliner]: procedures = 29, calls = 151, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 489 [2024-12-02 15:14:37,015 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 15:14:37,016 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 15:14:37,016 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 15:14:37,016 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 15:14:37,022 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:14:36" (1/1) ... [2024-12-02 15:14:37,023 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:14:36" (1/1) ... [2024-12-02 15:14:37,027 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:14:36" (1/1) ... [2024-12-02 15:14:37,046 INFO L175 MemorySlicer]: Split 123 memory accesses to 7 slices as follows [2, 8, 44, 29, 9, 3, 28]. 36 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [2, 1, 5, 2, 2, 1, 3]. The 16 writes are split as follows [0, 1, 6, 3, 2, 1, 3]. [2024-12-02 15:14:37,046 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:14:36" (1/1) ... [2024-12-02 15:14:37,046 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:14:36" (1/1) ... [2024-12-02 15:14:37,066 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:14:36" (1/1) ... [2024-12-02 15:14:37,067 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:14:36" (1/1) ... [2024-12-02 15:14:37,071 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:14:36" (1/1) ... [2024-12-02 15:14:37,074 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:14:36" (1/1) ... [2024-12-02 15:14:37,076 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:14:36" (1/1) ... [2024-12-02 15:14:37,081 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 15:14:37,081 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 15:14:37,082 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 15:14:37,082 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 15:14:37,082 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:14:36" (1/1) ... [2024-12-02 15:14:37,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:14:37,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:14:37,106 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 15:14:37,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 15:14:37,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 15:14:37,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 15:14:37,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 15:14:37,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 15:14:37,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 15:14:37,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 15:14:37,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 15:14:37,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 15:14:37,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-12-02 15:14:37,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-12-02 15:14:37,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-12-02 15:14:37,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-12-02 15:14:37,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-12-02 15:14:37,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-12-02 15:14:37,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-12-02 15:14:37,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-12-02 15:14:37,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-12-02 15:14:37,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-12-02 15:14:37,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-12-02 15:14:37,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-12-02 15:14:37,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-12-02 15:14:37,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-12-02 15:14:37,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 15:14:37,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 15:14:37,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 15:14:37,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 15:14:37,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 15:14:37,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 15:14:37,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 15:14:37,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-12-02 15:14:37,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-12-02 15:14:37,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-12-02 15:14:37,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-12-02 15:14:37,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-12-02 15:14:37,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-12-02 15:14:37,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-12-02 15:14:37,130 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 15:14:37,130 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 15:14:37,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 15:14:37,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 15:14:37,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 15:14:37,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 15:14:37,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 15:14:37,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 15:14:37,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 15:14:37,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 15:14:37,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 15:14:37,257 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 15:14:37,259 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 15:14:37,652 INFO L? ?]: Removed 117 outVars from TransFormulas that were not future-live. [2024-12-02 15:14:37,653 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 15:14:37,663 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 15:14:37,663 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 15:14:37,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:14:37 BoogieIcfgContainer [2024-12-02 15:14:37,664 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 15:14:37,665 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 15:14:37,665 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 15:14:37,676 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 15:14:37,676 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:14:36" (1/3) ... [2024-12-02 15:14:37,677 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fd76646 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:14:37, skipping insertion in model container [2024-12-02 15:14:37,677 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:14:36" (2/3) ... [2024-12-02 15:14:37,677 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fd76646 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:14:37, skipping insertion in model container [2024-12-02 15:14:37,677 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:14:37" (3/3) ... [2024-12-02 15:14:37,678 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-65.i [2024-12-02 15:14:37,689 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 15:14:37,690 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-65.i that has 2 procedures, 113 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 15:14:37,733 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 15:14:37,743 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4b7e7237, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 15:14:37,743 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 15:14:37,746 INFO L276 IsEmpty]: Start isEmpty. Operand has 113 states, 99 states have (on average 1.4545454545454546) internal successors, (144), 100 states have internal predecessors, (144), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 15:14:37,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-12-02 15:14:37,756 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:14:37,756 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:14:37,757 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:14:37,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:14:37,761 INFO L85 PathProgramCache]: Analyzing trace with hash 1938011596, now seen corresponding path program 1 times [2024-12-02 15:14:37,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:14:37,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172170160] [2024-12-02 15:14:37,766 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:14:37,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:14:37,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:14:38,004 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-12-02 15:14:38,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:14:38,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172170160] [2024-12-02 15:14:38,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172170160] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:14:38,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [957651184] [2024-12-02 15:14:38,005 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:14:38,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:14:38,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:14:38,011 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:14:38,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 15:14:38,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:14:38,233 INFO L256 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 15:14:38,239 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:14:38,255 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-12-02 15:14:38,256 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:14:38,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [957651184] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:14:38,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:14:38,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 15:14:38,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55449277] [2024-12-02 15:14:38,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:14:38,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 15:14:38,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:14:38,275 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 15:14:38,275 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 15:14:38,277 INFO L87 Difference]: Start difference. First operand has 113 states, 99 states have (on average 1.4545454545454546) internal successors, (144), 100 states have internal predecessors, (144), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 15:14:38,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:14:38,300 INFO L93 Difference]: Finished difference Result 219 states and 337 transitions. [2024-12-02 15:14:38,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 15:14:38,302 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) Word has length 112 [2024-12-02 15:14:38,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:14:38,307 INFO L225 Difference]: With dead ends: 219 [2024-12-02 15:14:38,307 INFO L226 Difference]: Without dead ends: 109 [2024-12-02 15:14:38,310 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 15:14:38,312 INFO L435 NwaCegarLoop]: 157 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:14:38,313 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:14:38,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-12-02 15:14:38,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2024-12-02 15:14:38,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 96 states have (on average 1.40625) internal successors, (135), 96 states have internal predecessors, (135), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 15:14:38,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 157 transitions. [2024-12-02 15:14:38,348 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 157 transitions. Word has length 112 [2024-12-02 15:14:38,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:14:38,348 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 157 transitions. [2024-12-02 15:14:38,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 15:14:38,349 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 157 transitions. [2024-12-02 15:14:38,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-12-02 15:14:38,351 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:14:38,351 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:14:38,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 15:14:38,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:14:38,552 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:14:38,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:14:38,553 INFO L85 PathProgramCache]: Analyzing trace with hash 1962849030, now seen corresponding path program 1 times [2024-12-02 15:14:38,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:14:38,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745402581] [2024-12-02 15:14:38,553 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:14:38,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:14:38,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:14:38,777 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 15:14:38,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:14:38,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745402581] [2024-12-02 15:14:38,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745402581] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:14:38,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:14:38,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:14:38,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605364275] [2024-12-02 15:14:38,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:14:38,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:14:38,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:14:38,779 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:14:38,780 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:14:38,780 INFO L87 Difference]: Start difference. First operand 109 states and 157 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 15:14:38,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:14:38,815 INFO L93 Difference]: Finished difference Result 217 states and 314 transitions. [2024-12-02 15:14:38,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:14:38,815 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 112 [2024-12-02 15:14:38,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:14:38,816 INFO L225 Difference]: With dead ends: 217 [2024-12-02 15:14:38,817 INFO L226 Difference]: Without dead ends: 111 [2024-12-02 15:14:38,817 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:14:38,818 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 0 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:14:38,818 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 454 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:14:38,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-12-02 15:14:38,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2024-12-02 15:14:38,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 98 states have (on average 1.3979591836734695) internal successors, (137), 98 states have internal predecessors, (137), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 15:14:38,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2024-12-02 15:14:38,828 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 112 [2024-12-02 15:14:38,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:14:38,829 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2024-12-02 15:14:38,829 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 15:14:38,829 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2024-12-02 15:14:38,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-12-02 15:14:38,830 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:14:38,831 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:14:38,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 15:14:38,831 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:14:38,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:14:38,831 INFO L85 PathProgramCache]: Analyzing trace with hash 611463812, now seen corresponding path program 1 times [2024-12-02 15:14:38,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:14:38,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718341219] [2024-12-02 15:14:38,831 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:14:38,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:14:38,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:14:39,137 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-12-02 15:14:39,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:14:39,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718341219] [2024-12-02 15:14:39,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718341219] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:14:39,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1729007735] [2024-12-02 15:14:39,137 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:14:39,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:14:39,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:14:39,140 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:14:39,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 15:14:39,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:14:39,363 INFO L256 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 15:14:39,368 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:14:39,414 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 15:14:39,414 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:14:39,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1729007735] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:14:39,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:14:39,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2024-12-02 15:14:39,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486384196] [2024-12-02 15:14:39,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:14:39,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:14:39,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:14:39,415 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:14:39,416 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:14:39,416 INFO L87 Difference]: Start difference. First operand 111 states and 159 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 15:14:39,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:14:39,452 INFO L93 Difference]: Finished difference Result 222 states and 319 transitions. [2024-12-02 15:14:39,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:14:39,453 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 112 [2024-12-02 15:14:39,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:14:39,454 INFO L225 Difference]: With dead ends: 222 [2024-12-02 15:14:39,454 INFO L226 Difference]: Without dead ends: 114 [2024-12-02 15:14:39,455 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:14:39,456 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 1 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:14:39,456 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 451 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:14:39,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-12-02 15:14:39,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 113. [2024-12-02 15:14:39,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 100 states have (on average 1.39) internal successors, (139), 100 states have internal predecessors, (139), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 15:14:39,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 161 transitions. [2024-12-02 15:14:39,466 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 161 transitions. Word has length 112 [2024-12-02 15:14:39,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:14:39,467 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 161 transitions. [2024-12-02 15:14:39,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 15:14:39,467 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 161 transitions. [2024-12-02 15:14:39,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-12-02 15:14:39,469 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:14:39,469 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:14:39,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 15:14:39,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:14:39,670 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:14:39,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:14:39,670 INFO L85 PathProgramCache]: Analyzing trace with hash 1291522182, now seen corresponding path program 1 times [2024-12-02 15:14:39,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:14:39,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972773395] [2024-12-02 15:14:39,670 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:14:39,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:14:39,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:14:39,943 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-12-02 15:14:39,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:14:39,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972773395] [2024-12-02 15:14:39,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972773395] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:14:39,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [551014407] [2024-12-02 15:14:39,944 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:14:39,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:14:39,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:14:39,946 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:14:39,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 15:14:40,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:14:40,155 INFO L256 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 15:14:40,159 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:14:40,187 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 15:14:40,187 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:14:40,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [551014407] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:14:40,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:14:40,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2024-12-02 15:14:40,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717988108] [2024-12-02 15:14:40,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:14:40,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:14:40,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:14:40,189 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:14:40,189 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:14:40,189 INFO L87 Difference]: Start difference. First operand 113 states and 161 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 15:14:40,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:14:40,213 INFO L93 Difference]: Finished difference Result 226 states and 323 transitions. [2024-12-02 15:14:40,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:14:40,214 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 112 [2024-12-02 15:14:40,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:14:40,215 INFO L225 Difference]: With dead ends: 226 [2024-12-02 15:14:40,215 INFO L226 Difference]: Without dead ends: 116 [2024-12-02 15:14:40,216 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:14:40,217 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 1 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:14:40,217 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 452 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:14:40,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-12-02 15:14:40,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 115. [2024-12-02 15:14:40,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 102 states have (on average 1.3823529411764706) internal successors, (141), 102 states have internal predecessors, (141), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 15:14:40,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 163 transitions. [2024-12-02 15:14:40,225 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 163 transitions. Word has length 112 [2024-12-02 15:14:40,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:14:40,225 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 163 transitions. [2024-12-02 15:14:40,225 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 15:14:40,225 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 163 transitions. [2024-12-02 15:14:40,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-12-02 15:14:40,227 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:14:40,227 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:14:40,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 15:14:40,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:14:40,427 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:14:40,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:14:40,428 INFO L85 PathProgramCache]: Analyzing trace with hash -1228437752, now seen corresponding path program 1 times [2024-12-02 15:14:40,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:14:40,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237654554] [2024-12-02 15:14:40,428 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:14:40,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:14:40,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:14:40,625 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-12-02 15:14:40,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:14:40,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237654554] [2024-12-02 15:14:40,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237654554] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:14:40,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [310643581] [2024-12-02 15:14:40,625 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:14:40,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:14:40,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:14:40,627 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:14:40,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 15:14:40,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:14:40,825 INFO L256 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 15:14:40,828 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:14:40,853 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 15:14:40,853 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:14:40,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [310643581] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:14:40,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:14:40,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2024-12-02 15:14:40,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321800223] [2024-12-02 15:14:40,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:14:40,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:14:40,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:14:40,854 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:14:40,855 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:14:40,855 INFO L87 Difference]: Start difference. First operand 115 states and 163 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 15:14:40,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:14:40,877 INFO L93 Difference]: Finished difference Result 230 states and 327 transitions. [2024-12-02 15:14:40,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:14:40,878 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 112 [2024-12-02 15:14:40,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:14:40,879 INFO L225 Difference]: With dead ends: 230 [2024-12-02 15:14:40,879 INFO L226 Difference]: Without dead ends: 118 [2024-12-02 15:14:40,880 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:14:40,880 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 1 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:14:40,880 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 454 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:14:40,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-12-02 15:14:40,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 117. [2024-12-02 15:14:40,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 104 states have (on average 1.375) internal successors, (143), 104 states have internal predecessors, (143), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 15:14:40,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 165 transitions. [2024-12-02 15:14:40,887 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 165 transitions. Word has length 112 [2024-12-02 15:14:40,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:14:40,888 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 165 transitions. [2024-12-02 15:14:40,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 15:14:40,888 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 165 transitions. [2024-12-02 15:14:40,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-12-02 15:14:40,889 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:14:40,889 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:14:40,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 15:14:41,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:14:41,090 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:14:41,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:14:41,090 INFO L85 PathProgramCache]: Analyzing trace with hash -1226590710, now seen corresponding path program 1 times [2024-12-02 15:14:41,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:14:41,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632565235] [2024-12-02 15:14:41,090 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:14:41,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:14:41,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:14:41,274 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-12-02 15:14:41,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:14:41,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632565235] [2024-12-02 15:14:41,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632565235] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:14:41,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1228836300] [2024-12-02 15:14:41,274 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:14:41,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:14:41,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:14:41,276 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:14:41,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 15:14:41,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:14:41,481 INFO L256 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 15:14:41,484 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:14:41,517 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 15:14:41,518 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:14:41,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1228836300] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:14:41,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:14:41,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 9 [2024-12-02 15:14:41,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360082770] [2024-12-02 15:14:41,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:14:41,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:14:41,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:14:41,519 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:14:41,519 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:14:41,519 INFO L87 Difference]: Start difference. First operand 117 states and 165 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 15:14:41,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:14:41,550 INFO L93 Difference]: Finished difference Result 234 states and 331 transitions. [2024-12-02 15:14:41,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:14:41,551 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 112 [2024-12-02 15:14:41,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:14:41,552 INFO L225 Difference]: With dead ends: 234 [2024-12-02 15:14:41,552 INFO L226 Difference]: Without dead ends: 120 [2024-12-02 15:14:41,552 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:14:41,553 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 0 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 601 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:14:41,553 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 601 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:14:41,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-12-02 15:14:41,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2024-12-02 15:14:41,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 107 states have (on average 1.3644859813084111) internal successors, (146), 107 states have internal predecessors, (146), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 15:14:41,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 168 transitions. [2024-12-02 15:14:41,560 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 168 transitions. Word has length 112 [2024-12-02 15:14:41,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:14:41,560 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 168 transitions. [2024-12-02 15:14:41,560 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 15:14:41,560 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 168 transitions. [2024-12-02 15:14:41,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-12-02 15:14:41,561 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:14:41,562 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:14:41,570 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-02 15:14:41,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:14:41,762 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:14:41,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:14:41,763 INFO L85 PathProgramCache]: Analyzing trace with hash 355820412, now seen corresponding path program 1 times [2024-12-02 15:14:41,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:14:41,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413645789] [2024-12-02 15:14:41,763 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:14:41,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:14:41,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 15:14:41,815 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 15:14:41,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 15:14:41,879 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 15:14:41,879 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 15:14:41,880 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 15:14:41,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 15:14:41,884 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:14:41,949 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 15:14:41,952 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:14:41 BoogieIcfgContainer [2024-12-02 15:14:41,953 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 15:14:41,953 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 15:14:41,953 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 15:14:41,953 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 15:14:41,954 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:14:37" (3/4) ... [2024-12-02 15:14:41,956 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 15:14:41,956 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 15:14:41,957 INFO L158 Benchmark]: Toolchain (without parser) took 5220.24ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 92.6MB in the beginning and 71.4MB in the end (delta: 21.2MB). Peak memory consumption was 103.4MB. Max. memory is 16.1GB. [2024-12-02 15:14:41,957 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:14:41,958 INFO L158 Benchmark]: CACSL2BoogieTranslator took 230.66ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 78.1MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 15:14:41,958 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.20ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 74.6MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:14:41,958 INFO L158 Benchmark]: Boogie Preprocessor took 65.16ms. Allocated memory is still 117.4MB. Free memory was 74.6MB in the beginning and 69.9MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 15:14:41,958 INFO L158 Benchmark]: RCFGBuilder took 582.19ms. Allocated memory is still 117.4MB. Free memory was 69.9MB in the beginning and 39.0MB in the end (delta: 30.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-02 15:14:41,959 INFO L158 Benchmark]: TraceAbstraction took 4287.30ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 38.5MB in the beginning and 71.4MB in the end (delta: -32.9MB). Peak memory consumption was 53.1MB. Max. memory is 16.1GB. [2024-12-02 15:14:41,959 INFO L158 Benchmark]: Witness Printer took 3.38ms. Allocated memory is still 201.3MB. Free memory was 71.4MB in the beginning and 71.4MB in the end (delta: 25.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:14:41,960 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 230.66ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 78.1MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.20ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 74.6MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 65.16ms. Allocated memory is still 117.4MB. Free memory was 74.6MB in the beginning and 69.9MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 582.19ms. Allocated memory is still 117.4MB. Free memory was 69.9MB in the beginning and 39.0MB in the end (delta: 30.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 4287.30ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 38.5MB in the beginning and 71.4MB in the end (delta: -32.9MB). Peak memory consumption was 53.1MB. Max. memory is 16.1GB. * Witness Printer took 3.38ms. Allocated memory is still 201.3MB. Free memory was 71.4MB in the beginning and 71.4MB in the end (delta: 25.5kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 60, overapproximation of someBinaryFLOATComparisonOperation at line 92, overapproximation of someBinaryFLOATComparisonOperation at line 80, overapproximation of someBinaryFLOATComparisonOperation at line 80, overapproximation of someBinaryFLOATComparisonOperation at line 92, overapproximation of someBinaryFLOATComparisonOperation at line 59, overapproximation of someBinaryDOUBLEComparisonOperation at line 78, overapproximation of someBinaryDOUBLEComparisonOperation at line 76, overapproximation of someBinaryDOUBLEComparisonOperation at line 72, overapproximation of someBinaryDOUBLEComparisonOperation at line 44, overapproximation of someBinaryDOUBLEComparisonOperation at line 78, overapproximation of someBinaryDOUBLEComparisonOperation at line 76, overapproximation of someBinaryDOUBLEComparisonOperation at line 63, overapproximation of someBinaryDOUBLEComparisonOperation at line 74, overapproximation of someBinaryDOUBLEComparisonOperation at line 72, overapproximation of someBinaryDOUBLEComparisonOperation at line 74, overapproximation of someBinaryDOUBLEComparisonOperation at line 92, overapproximation of someUnaryFLOAToperation at line 92. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[1] = { 1 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[1] = { 1 }; [L25-L27] double double_Array_0[5] = { 25.25, 100.5, 63.6, 0.0, 0.8 }; [L25-L27] double double_Array_0[5] = { 25.25, 100.5, 63.6, 0.0, 0.8 }; [L25-L27] double double_Array_0[5] = { 25.25, 100.5, 63.6, 0.0, 0.8 }; [L25-L27] double double_Array_0[5] = { 25.25, 100.5, 63.6, 0.0, 0.8 }; [L25-L27] double double_Array_0[5] = { 25.25, 100.5, 63.6, 0.0, 0.8 }; [L25-L27] double double_Array_0[5] = { 25.25, 100.5, 63.6, 0.0, 0.8 }; [L28-L30] float float_Array_0[2] = { 8.2, 1000000000.1 }; [L28-L30] float float_Array_0[2] = { 8.2, 1000000000.1 }; [L28-L30] float float_Array_0[2] = { 8.2, 1000000000.1 }; [L31-L33] signed char signed_char_Array_0[2] = { -8, 8 }; [L31-L33] signed char signed_char_Array_0[2] = { -8, 8 }; [L31-L33] signed char signed_char_Array_0[2] = { -8, 8 }; [L34-L36] signed long int signed_long_int_Array_0[1] = { -32 }; [L34-L36] signed long int signed_long_int_Array_0[1] = { -32 }; [L37-L39] unsigned short int unsigned_short_int_Array_0[3] = { 0, 2, 50 }; [L37-L39] unsigned short int unsigned_short_int_Array_0[3] = { 0, 2, 50 }; [L37-L39] unsigned short int unsigned_short_int_Array_0[3] = { 0, 2, 50 }; [L37-L39] unsigned short int unsigned_short_int_Array_0[3] = { 0, 2, 50 }; [L40] double last_1_double_Array_0_1_ = 100.5; VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=0, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L96] isInitial = 1 [L97] FCALL initially() [L99] CALL updateLastVariables() [L89] EXPR double_Array_0[1] [L89] last_1_double_Array_0_1_ = double_Array_0[1] [L99] RET updateLastVariables() [L100] CALL updateVariables() [L68] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L69] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L69] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L69] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L70] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L70] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L70] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L71] double_Array_0[0] = __VERIFIER_nondet_double() [L72] EXPR double_Array_0[0] [L72] EXPR double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L72] EXPR double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F [L72] EXPR double_Array_0[0] [L72] EXPR double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L72] EXPR (double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854765600e+12F && double_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L72] EXPR (double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854765600e+12F && double_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L72] CALL assume_abort_if_not((double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854765600e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L72] RET assume_abort_if_not((double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854765600e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L73] double_Array_0[2] = __VERIFIER_nondet_double() [L74] EXPR double_Array_0[2] [L74] EXPR double_Array_0[2] >= 0.0F && double_Array_0[2] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L74] EXPR double_Array_0[2] >= 0.0F && double_Array_0[2] <= -1.0e-20F [L74] EXPR double_Array_0[2] [L74] EXPR double_Array_0[2] >= 0.0F && double_Array_0[2] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L74] EXPR (double_Array_0[2] >= 0.0F && double_Array_0[2] <= -1.0e-20F) || (double_Array_0[2] <= 9223372.036854765600e+12F && double_Array_0[2] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L74] EXPR (double_Array_0[2] >= 0.0F && double_Array_0[2] <= -1.0e-20F) || (double_Array_0[2] <= 9223372.036854765600e+12F && double_Array_0[2] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L74] CALL assume_abort_if_not((double_Array_0[2] >= 0.0F && double_Array_0[2] <= -1.0e-20F) || (double_Array_0[2] <= 9223372.036854765600e+12F && double_Array_0[2] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L74] RET assume_abort_if_not((double_Array_0[2] >= 0.0F && double_Array_0[2] <= -1.0e-20F) || (double_Array_0[2] <= 9223372.036854765600e+12F && double_Array_0[2] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L75] double_Array_0[3] = __VERIFIER_nondet_double() [L76] EXPR double_Array_0[3] [L76] EXPR double_Array_0[3] >= 4611686.018427382800e+12F && double_Array_0[3] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L76] EXPR double_Array_0[3] >= 4611686.018427382800e+12F && double_Array_0[3] <= -1.0e-20F [L76] EXPR double_Array_0[3] [L76] EXPR double_Array_0[3] >= 4611686.018427382800e+12F && double_Array_0[3] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L76] EXPR (double_Array_0[3] >= 4611686.018427382800e+12F && double_Array_0[3] <= -1.0e-20F) || (double_Array_0[3] <= 9223372.036854765600e+12F && double_Array_0[3] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L76] EXPR (double_Array_0[3] >= 4611686.018427382800e+12F && double_Array_0[3] <= -1.0e-20F) || (double_Array_0[3] <= 9223372.036854765600e+12F && double_Array_0[3] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L76] CALL assume_abort_if_not((double_Array_0[3] >= 4611686.018427382800e+12F && double_Array_0[3] <= -1.0e-20F) || (double_Array_0[3] <= 9223372.036854765600e+12F && double_Array_0[3] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L76] RET assume_abort_if_not((double_Array_0[3] >= 4611686.018427382800e+12F && double_Array_0[3] <= -1.0e-20F) || (double_Array_0[3] <= 9223372.036854765600e+12F && double_Array_0[3] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L77] double_Array_0[4] = __VERIFIER_nondet_double() [L78] EXPR double_Array_0[4] [L78] EXPR double_Array_0[4] >= 0.0F && double_Array_0[4] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L78] EXPR double_Array_0[4] >= 0.0F && double_Array_0[4] <= -1.0e-20F [L78] EXPR double_Array_0[4] [L78] EXPR double_Array_0[4] >= 0.0F && double_Array_0[4] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L78] EXPR (double_Array_0[4] >= 0.0F && double_Array_0[4] <= -1.0e-20F) || (double_Array_0[4] <= 4611686.018427382800e+12F && double_Array_0[4] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L78] EXPR (double_Array_0[4] >= 0.0F && double_Array_0[4] <= -1.0e-20F) || (double_Array_0[4] <= 4611686.018427382800e+12F && double_Array_0[4] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L78] CALL assume_abort_if_not((double_Array_0[4] >= 0.0F && double_Array_0[4] <= -1.0e-20F) || (double_Array_0[4] <= 4611686.018427382800e+12F && double_Array_0[4] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L78] RET assume_abort_if_not((double_Array_0[4] >= 0.0F && double_Array_0[4] <= -1.0e-20F) || (double_Array_0[4] <= 4611686.018427382800e+12F && double_Array_0[4] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L79] float_Array_0[0] = __VERIFIER_nondet_float() [L80] EXPR float_Array_0[0] [L80] EXPR float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L80] EXPR float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F [L80] EXPR float_Array_0[0] [L80] EXPR float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L80] EXPR (float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854765600e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L80] EXPR (float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854765600e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L80] CALL assume_abort_if_not((float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854765600e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L80] RET assume_abort_if_not((float_Array_0[0] >= -922337.2036854765600e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854765600e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L81] signed_char_Array_0[1] = __VERIFIER_nondet_char() [L82] EXPR signed_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L82] CALL assume_abort_if_not(signed_char_Array_0[1] >= -127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L82] RET assume_abort_if_not(signed_char_Array_0[1] >= -127) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L83] EXPR signed_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L83] CALL assume_abort_if_not(signed_char_Array_0[1] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L83] RET assume_abort_if_not(signed_char_Array_0[1] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L84] unsigned_short_int_Array_0[2] = __VERIFIER_nondet_ushort() [L85] EXPR unsigned_short_int_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L85] CALL assume_abort_if_not(unsigned_short_int_Array_0[2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L85] RET assume_abort_if_not(unsigned_short_int_Array_0[2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L86] EXPR unsigned_short_int_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L86] CALL assume_abort_if_not(unsigned_short_int_Array_0[2] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L86] RET assume_abort_if_not(unsigned_short_int_Array_0[2] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L100] RET updateVariables() [L101] CALL step() [L44] COND TRUE 0.625f > last_1_double_Array_0_1_ [L45] BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L45] COND FALSE !(BOOL_unsigned_char_Array_0[0]) [L51] EXPR signed_char_Array_0[1] [L51] signed_char_Array_0[0] = signed_char_Array_0[1] [L52] EXPR unsigned_short_int_Array_0[2] [L52] unsigned_short_int_Array_0[1] = unsigned_short_int_Array_0[2] [L53] EXPR unsigned_short_int_Array_0[2] [L53] unsigned_short_int_Array_0[0] = unsigned_short_int_Array_0[2] [L54] BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L54] COND FALSE !(BOOL_unsigned_char_Array_0[0]) [L59] EXPR float_Array_0[1] [L59] EXPR float_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L59] COND TRUE float_Array_0[1] <= float_Array_0[1] [L60] EXPR double_Array_0[2] [L60] EXPR double_Array_0[3] [L60] EXPR double_Array_0[4] [L60] double_Array_0[1] = (double_Array_0[2] - (double_Array_0[3] - double_Array_0[4])) [L63] EXPR float_Array_0[0] [L63] EXPR double_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L63] COND FALSE !(float_Array_0[0] > double_Array_0[1]) [L101] RET step() [L102] CALL, EXPR property() [L92] EXPR (0.625f > last_1_double_Array_0_1_) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[1] == ((float) ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0]))))) : 1) : (float_Array_0[1] == ((float) ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0]))))) [L92] EXPR float_Array_0[1] [L92] EXPR float_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L92] EXPR ((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0]) [L92] EXPR float_Array_0[0] [L92] EXPR ((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0]) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L92] EXPR (0.625f > last_1_double_Array_0_1_) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[1] == ((float) ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0]))))) : 1) : (float_Array_0[1] == ((float) ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0]))))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L92] EXPR ((0.625f > last_1_double_Array_0_1_) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[1] == ((float) ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0]))))) : 1) : (float_Array_0[1] == ((float) ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0])))))) && ((float_Array_0[0] > double_Array_0[1]) ? (signed_long_int_Array_0[0] == ((signed long int) (((((unsigned_short_int_Array_0[0]) > (-64)) ? (unsigned_short_int_Array_0[0]) : (-64))) + ((unsigned_short_int_Array_0[0] + -2) + unsigned_short_int_Array_0[1])))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L92] EXPR ((0.625f > last_1_double_Array_0_1_) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[1] == ((float) ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0]))))) : 1) : (float_Array_0[1] == ((float) ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0])))))) && ((float_Array_0[0] > double_Array_0[1]) ? (signed_long_int_Array_0[0] == ((signed long int) (((((unsigned_short_int_Array_0[0]) > (-64)) ? (unsigned_short_int_Array_0[0]) : (-64))) + ((unsigned_short_int_Array_0[0] + -2) + unsigned_short_int_Array_0[1])))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L92] EXPR (((0.625f > last_1_double_Array_0_1_) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[1] == ((float) ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0]))))) : 1) : (float_Array_0[1] == ((float) ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0])))))) && ((float_Array_0[0] > double_Array_0[1]) ? (signed_long_int_Array_0[0] == ((signed long int) (((((unsigned_short_int_Array_0[0]) > (-64)) ? (unsigned_short_int_Array_0[0]) : (-64))) + ((unsigned_short_int_Array_0[0] + -2) + unsigned_short_int_Array_0[1])))) : 1)) && (BOOL_unsigned_char_Array_0[0] ? ((unsigned_short_int_Array_0[0] >= ((unsigned_short_int_Array_0[1] - unsigned_short_int_Array_0[0]) * 64)) ? (double_Array_0[1] == ((double) (((((double_Array_0[0]) < (50.5)) ? (double_Array_0[0]) : (50.5))) - double_Array_0[2]))) : 1) : ((float_Array_0[1] <= float_Array_0[1]) ? (double_Array_0[1] == ((double) (double_Array_0[2] - (double_Array_0[3] - double_Array_0[4])))) : 1)) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L92] EXPR (((0.625f > last_1_double_Array_0_1_) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[1] == ((float) ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0]))))) : 1) : (float_Array_0[1] == ((float) ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0])))))) && ((float_Array_0[0] > double_Array_0[1]) ? (signed_long_int_Array_0[0] == ((signed long int) (((((unsigned_short_int_Array_0[0]) > (-64)) ? (unsigned_short_int_Array_0[0]) : (-64))) + ((unsigned_short_int_Array_0[0] + -2) + unsigned_short_int_Array_0[1])))) : 1)) && (BOOL_unsigned_char_Array_0[0] ? ((unsigned_short_int_Array_0[0] >= ((unsigned_short_int_Array_0[1] - unsigned_short_int_Array_0[0]) * 64)) ? (double_Array_0[1] == ((double) (((((double_Array_0[0]) < (50.5)) ? (double_Array_0[0]) : (50.5))) - double_Array_0[2]))) : 1) : ((float_Array_0[1] <= float_Array_0[1]) ? (double_Array_0[1] == ((double) (double_Array_0[2] - (double_Array_0[3] - double_Array_0[4])))) : 1)) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L92] EXPR ((((0.625f > last_1_double_Array_0_1_) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[1] == ((float) ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0]))))) : 1) : (float_Array_0[1] == ((float) ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0])))))) && ((float_Array_0[0] > double_Array_0[1]) ? (signed_long_int_Array_0[0] == ((signed long int) (((((unsigned_short_int_Array_0[0]) > (-64)) ? (unsigned_short_int_Array_0[0]) : (-64))) + ((unsigned_short_int_Array_0[0] + -2) + unsigned_short_int_Array_0[1])))) : 1)) && (BOOL_unsigned_char_Array_0[0] ? ((unsigned_short_int_Array_0[0] >= ((unsigned_short_int_Array_0[1] - unsigned_short_int_Array_0[0]) * 64)) ? (double_Array_0[1] == ((double) (((((double_Array_0[0]) < (50.5)) ? (double_Array_0[0]) : (50.5))) - double_Array_0[2]))) : 1) : ((float_Array_0[1] <= float_Array_0[1]) ? (double_Array_0[1] == ((double) (double_Array_0[2] - (double_Array_0[3] - double_Array_0[4])))) : 1))) && (signed_char_Array_0[0] == ((signed char) signed_char_Array_0[1])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L92] EXPR ((((0.625f > last_1_double_Array_0_1_) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[1] == ((float) ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0]))))) : 1) : (float_Array_0[1] == ((float) ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0])))))) && ((float_Array_0[0] > double_Array_0[1]) ? (signed_long_int_Array_0[0] == ((signed long int) (((((unsigned_short_int_Array_0[0]) > (-64)) ? (unsigned_short_int_Array_0[0]) : (-64))) + ((unsigned_short_int_Array_0[0] + -2) + unsigned_short_int_Array_0[1])))) : 1)) && (BOOL_unsigned_char_Array_0[0] ? ((unsigned_short_int_Array_0[0] >= ((unsigned_short_int_Array_0[1] - unsigned_short_int_Array_0[0]) * 64)) ? (double_Array_0[1] == ((double) (((((double_Array_0[0]) < (50.5)) ? (double_Array_0[0]) : (50.5))) - double_Array_0[2]))) : 1) : ((float_Array_0[1] <= float_Array_0[1]) ? (double_Array_0[1] == ((double) (double_Array_0[2] - (double_Array_0[3] - double_Array_0[4])))) : 1))) && (signed_char_Array_0[0] == ((signed char) signed_char_Array_0[1])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L92] EXPR (((((0.625f > last_1_double_Array_0_1_) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[1] == ((float) ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0]))))) : 1) : (float_Array_0[1] == ((float) ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0])))))) && ((float_Array_0[0] > double_Array_0[1]) ? (signed_long_int_Array_0[0] == ((signed long int) (((((unsigned_short_int_Array_0[0]) > (-64)) ? (unsigned_short_int_Array_0[0]) : (-64))) + ((unsigned_short_int_Array_0[0] + -2) + unsigned_short_int_Array_0[1])))) : 1)) && (BOOL_unsigned_char_Array_0[0] ? ((unsigned_short_int_Array_0[0] >= ((unsigned_short_int_Array_0[1] - unsigned_short_int_Array_0[0]) * 64)) ? (double_Array_0[1] == ((double) (((((double_Array_0[0]) < (50.5)) ? (double_Array_0[0]) : (50.5))) - double_Array_0[2]))) : 1) : ((float_Array_0[1] <= float_Array_0[1]) ? (double_Array_0[1] == ((double) (double_Array_0[2] - (double_Array_0[3] - double_Array_0[4])))) : 1))) && (signed_char_Array_0[0] == ((signed char) signed_char_Array_0[1]))) && (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[2])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L92] EXPR (((((0.625f > last_1_double_Array_0_1_) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[1] == ((float) ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0]))))) : 1) : (float_Array_0[1] == ((float) ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0])))))) && ((float_Array_0[0] > double_Array_0[1]) ? (signed_long_int_Array_0[0] == ((signed long int) (((((unsigned_short_int_Array_0[0]) > (-64)) ? (unsigned_short_int_Array_0[0]) : (-64))) + ((unsigned_short_int_Array_0[0] + -2) + unsigned_short_int_Array_0[1])))) : 1)) && (BOOL_unsigned_char_Array_0[0] ? ((unsigned_short_int_Array_0[0] >= ((unsigned_short_int_Array_0[1] - unsigned_short_int_Array_0[0]) * 64)) ? (double_Array_0[1] == ((double) (((((double_Array_0[0]) < (50.5)) ? (double_Array_0[0]) : (50.5))) - double_Array_0[2]))) : 1) : ((float_Array_0[1] <= float_Array_0[1]) ? (double_Array_0[1] == ((double) (double_Array_0[2] - (double_Array_0[3] - double_Array_0[4])))) : 1))) && (signed_char_Array_0[0] == ((signed char) signed_char_Array_0[1]))) && (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[2])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L92] EXPR ((((((0.625f > last_1_double_Array_0_1_) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[1] == ((float) ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0]))))) : 1) : (float_Array_0[1] == ((float) ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0])))))) && ((float_Array_0[0] > double_Array_0[1]) ? (signed_long_int_Array_0[0] == ((signed long int) (((((unsigned_short_int_Array_0[0]) > (-64)) ? (unsigned_short_int_Array_0[0]) : (-64))) + ((unsigned_short_int_Array_0[0] + -2) + unsigned_short_int_Array_0[1])))) : 1)) && (BOOL_unsigned_char_Array_0[0] ? ((unsigned_short_int_Array_0[0] >= ((unsigned_short_int_Array_0[1] - unsigned_short_int_Array_0[0]) * 64)) ? (double_Array_0[1] == ((double) (((((double_Array_0[0]) < (50.5)) ? (double_Array_0[0]) : (50.5))) - double_Array_0[2]))) : 1) : ((float_Array_0[1] <= float_Array_0[1]) ? (double_Array_0[1] == ((double) (double_Array_0[2] - (double_Array_0[3] - double_Array_0[4])))) : 1))) && (signed_char_Array_0[0] == ((signed char) signed_char_Array_0[1]))) && (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[2]))) && (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_short_int_Array_0[2])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L92] EXPR ((((((0.625f > last_1_double_Array_0_1_) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[1] == ((float) ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0]))))) : 1) : (float_Array_0[1] == ((float) ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0])))))) && ((float_Array_0[0] > double_Array_0[1]) ? (signed_long_int_Array_0[0] == ((signed long int) (((((unsigned_short_int_Array_0[0]) > (-64)) ? (unsigned_short_int_Array_0[0]) : (-64))) + ((unsigned_short_int_Array_0[0] + -2) + unsigned_short_int_Array_0[1])))) : 1)) && (BOOL_unsigned_char_Array_0[0] ? ((unsigned_short_int_Array_0[0] >= ((unsigned_short_int_Array_0[1] - unsigned_short_int_Array_0[0]) * 64)) ? (double_Array_0[1] == ((double) (((((double_Array_0[0]) < (50.5)) ? (double_Array_0[0]) : (50.5))) - double_Array_0[2]))) : 1) : ((float_Array_0[1] <= float_Array_0[1]) ? (double_Array_0[1] == ((double) (double_Array_0[2] - (double_Array_0[3] - double_Array_0[4])))) : 1))) && (signed_char_Array_0[0] == ((signed char) signed_char_Array_0[1]))) && (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[2]))) && (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_short_int_Array_0[2])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L92-L93] return ((((((0.625f > last_1_double_Array_0_1_) ? (BOOL_unsigned_char_Array_0[0] ? (float_Array_0[1] == ((float) ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0]))))) : 1) : (float_Array_0[1] == ((float) ((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0])))))) && ((float_Array_0[0] > double_Array_0[1]) ? (signed_long_int_Array_0[0] == ((signed long int) (((((unsigned_short_int_Array_0[0]) > (-64)) ? (unsigned_short_int_Array_0[0]) : (-64))) + ((unsigned_short_int_Array_0[0] + -2) + unsigned_short_int_Array_0[1])))) : 1)) && (BOOL_unsigned_char_Array_0[0] ? ((unsigned_short_int_Array_0[0] >= ((unsigned_short_int_Array_0[1] - unsigned_short_int_Array_0[0]) * 64)) ? (double_Array_0[1] == ((double) (((((double_Array_0[0]) < (50.5)) ? (double_Array_0[0]) : (50.5))) - double_Array_0[2]))) : 1) : ((float_Array_0[1] <= float_Array_0[1]) ? (double_Array_0[1] == ((double) (double_Array_0[2] - (double_Array_0[3] - double_Array_0[4])))) : 1))) && (signed_char_Array_0[0] == ((signed char) signed_char_Array_0[1]))) && (unsigned_short_int_Array_0[1] == ((unsigned short int) unsigned_short_int_Array_0[2]))) && (unsigned_short_int_Array_0[0] == ((unsigned short int) unsigned_short_int_Array_0[2])) ; [L102] RET, EXPR property() [L102] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1_=201/2, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 113 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.2s, OverallIterations: 7, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 2569 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1641 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 92 IncrementalHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 928 mSDtfsCounter, 92 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 593 GetRequests, 563 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=120occurred in iteration=6, InterpolantAutomatonStates: 23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 3 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 1344 NumberOfCodeBlocks, 1344 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1221 ConstructedInterpolants, 0 QuantifiedInterpolants, 1289 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2053 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 11 InterpolantComputations, 6 PerfectInterpolantSequences, 2280/2420 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-02 15:14:41,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-65.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1909061afd980a39396ef4a3c6a4eb0a48d7b8752c9988e586de4638f163afa1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 15:14:43,846 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 15:14:43,930 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 15:14:43,936 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 15:14:43,937 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 15:14:43,959 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 15:14:43,960 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 15:14:43,960 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 15:14:43,961 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 15:14:43,961 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 15:14:43,961 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 15:14:43,961 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 15:14:43,961 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 15:14:43,961 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 15:14:43,962 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 15:14:43,962 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 15:14:43,962 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 15:14:43,962 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 15:14:43,962 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 15:14:43,962 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 15:14:43,962 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 15:14:43,962 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 15:14:43,962 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 15:14:43,962 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 15:14:43,962 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 15:14:43,962 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 15:14:43,962 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 15:14:43,963 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 15:14:43,963 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 15:14:43,963 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 15:14:43,963 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 15:14:43,963 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:14:43,963 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:14:43,963 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:14:43,964 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:14:43,964 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 15:14:43,964 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:14:43,964 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:14:43,964 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:14:43,964 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:14:43,964 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 15:14:43,964 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 15:14:43,964 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 15:14:43,965 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 15:14:43,965 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 15:14:43,965 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 15:14:43,965 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 15:14:43,965 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 15:14:43,965 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 15:14:43,965 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 15:14:43,965 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1909061afd980a39396ef4a3c6a4eb0a48d7b8752c9988e586de4638f163afa1 [2024-12-02 15:14:44,187 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 15:14:44,195 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 15:14:44,197 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 15:14:44,198 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 15:14:44,199 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 15:14:44,200 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-65.i [2024-12-02 15:14:46,936 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/data/6de2dcb84/3b52f4de0b814a4d97b31d686d1344e9/FLAG32eac0f42 [2024-12-02 15:14:47,119 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 15:14:47,119 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-65.i [2024-12-02 15:14:47,126 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/data/6de2dcb84/3b52f4de0b814a4d97b31d686d1344e9/FLAG32eac0f42 [2024-12-02 15:14:47,486 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/data/6de2dcb84/3b52f4de0b814a4d97b31d686d1344e9 [2024-12-02 15:14:47,487 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 15:14:47,488 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 15:14:47,489 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 15:14:47,489 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 15:14:47,492 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 15:14:47,493 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:14:47" (1/1) ... [2024-12-02 15:14:47,493 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f0582e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:14:47, skipping insertion in model container [2024-12-02 15:14:47,493 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:14:47" (1/1) ... [2024-12-02 15:14:47,504 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 15:14:47,603 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-65.i[916,929] [2024-12-02 15:14:47,652 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:14:47,662 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 15:14:47,669 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-65.i[916,929] [2024-12-02 15:14:47,699 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:14:47,722 INFO L204 MainTranslator]: Completed translation [2024-12-02 15:14:47,723 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:14:47 WrapperNode [2024-12-02 15:14:47,723 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 15:14:47,724 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 15:14:47,724 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 15:14:47,724 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 15:14:47,730 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:14:47" (1/1) ... [2024-12-02 15:14:47,742 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:14:47" (1/1) ... [2024-12-02 15:14:47,767 INFO L138 Inliner]: procedures = 39, calls = 151, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 488 [2024-12-02 15:14:47,767 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 15:14:47,767 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 15:14:47,767 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 15:14:47,768 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 15:14:47,775 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:14:47" (1/1) ... [2024-12-02 15:14:47,775 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:14:47" (1/1) ... [2024-12-02 15:14:47,780 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:14:47" (1/1) ... [2024-12-02 15:14:47,799 INFO L175 MemorySlicer]: Split 123 memory accesses to 7 slices as follows [2, 8, 44, 29, 9, 3, 28]. 36 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [2, 1, 5, 2, 2, 1, 3]. The 16 writes are split as follows [0, 1, 6, 3, 2, 1, 3]. [2024-12-02 15:14:47,800 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:14:47" (1/1) ... [2024-12-02 15:14:47,800 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:14:47" (1/1) ... [2024-12-02 15:14:47,825 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:14:47" (1/1) ... [2024-12-02 15:14:47,826 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:14:47" (1/1) ... [2024-12-02 15:14:47,831 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:14:47" (1/1) ... [2024-12-02 15:14:47,835 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:14:47" (1/1) ... [2024-12-02 15:14:47,838 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:14:47" (1/1) ... [2024-12-02 15:14:47,845 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 15:14:47,845 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 15:14:47,846 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 15:14:47,846 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 15:14:47,847 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:14:47" (1/1) ... [2024-12-02 15:14:47,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:14:47,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:14:47,876 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 15:14:47,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 15:14:47,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 15:14:47,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-12-02 15:14:47,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-12-02 15:14:47,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-12-02 15:14:47,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-12-02 15:14:47,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-12-02 15:14:47,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-12-02 15:14:47,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2024-12-02 15:14:47,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-12-02 15:14:47,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-12-02 15:14:47,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-12-02 15:14:47,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-12-02 15:14:47,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-12-02 15:14:47,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-12-02 15:14:47,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2024-12-02 15:14:47,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-12-02 15:14:47,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-12-02 15:14:47,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-12-02 15:14:47,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-12-02 15:14:47,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-12-02 15:14:47,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-12-02 15:14:47,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-12-02 15:14:47,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-12-02 15:14:47,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-12-02 15:14:47,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-12-02 15:14:47,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-12-02 15:14:47,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-12-02 15:14:47,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2024-12-02 15:14:47,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#6 [2024-12-02 15:14:47,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 15:14:47,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-12-02 15:14:47,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-12-02 15:14:47,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-12-02 15:14:47,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-12-02 15:14:47,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-12-02 15:14:47,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-12-02 15:14:47,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-12-02 15:14:47,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-12-02 15:14:47,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-12-02 15:14:47,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-12-02 15:14:47,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-12-02 15:14:47,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-12-02 15:14:47,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-12-02 15:14:47,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-12-02 15:14:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-12-02 15:14:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-12-02 15:14:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-12-02 15:14:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-12-02 15:14:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-12-02 15:14:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-12-02 15:14:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-12-02 15:14:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-12-02 15:14:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2024-12-02 15:14:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2024-12-02 15:14:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2024-12-02 15:14:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2024-12-02 15:14:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#6 [2024-12-02 15:14:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-12-02 15:14:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-12-02 15:14:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-12-02 15:14:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-12-02 15:14:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-12-02 15:14:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-12-02 15:14:47,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-12-02 15:14:47,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-12-02 15:14:47,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-12-02 15:14:47,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-12-02 15:14:47,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-12-02 15:14:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-12-02 15:14:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-12-02 15:14:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2024-12-02 15:14:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-12-02 15:14:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-12-02 15:14:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-12-02 15:14:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-12-02 15:14:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-12-02 15:14:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-12-02 15:14:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-12-02 15:14:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-12-02 15:14:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-12-02 15:14:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-12-02 15:14:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-12-02 15:14:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-12-02 15:14:47,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-12-02 15:14:47,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2024-12-02 15:14:47,910 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 15:14:47,910 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 15:14:47,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 15:14:47,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 15:14:47,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-12-02 15:14:47,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-12-02 15:14:47,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-12-02 15:14:47,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-12-02 15:14:47,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-12-02 15:14:47,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-12-02 15:14:47,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-12-02 15:14:47,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-12-02 15:14:47,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-12-02 15:14:47,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-12-02 15:14:47,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-12-02 15:14:47,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-12-02 15:14:47,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-12-02 15:14:47,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#6 [2024-12-02 15:14:47,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-12-02 15:14:47,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-12-02 15:14:47,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-12-02 15:14:47,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-12-02 15:14:47,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-12-02 15:14:47,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-12-02 15:14:47,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-12-02 15:14:48,086 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 15:14:48,087 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 15:14:51,190 INFO L? ?]: Removed 120 outVars from TransFormulas that were not future-live. [2024-12-02 15:14:51,190 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 15:14:51,200 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 15:14:51,200 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 15:14:51,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:14:51 BoogieIcfgContainer [2024-12-02 15:14:51,200 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 15:14:51,202 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 15:14:51,202 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 15:14:51,207 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 15:14:51,207 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:14:47" (1/3) ... [2024-12-02 15:14:51,207 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5446c31f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:14:51, skipping insertion in model container [2024-12-02 15:14:51,207 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:14:47" (2/3) ... [2024-12-02 15:14:51,208 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5446c31f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:14:51, skipping insertion in model container [2024-12-02 15:14:51,208 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:14:51" (3/3) ... [2024-12-02 15:14:51,209 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-65.i [2024-12-02 15:14:51,223 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 15:14:51,224 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-65.i that has 2 procedures, 113 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 15:14:51,266 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 15:14:51,274 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5c1c8a22, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 15:14:51,275 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 15:14:51,279 INFO L276 IsEmpty]: Start isEmpty. Operand has 113 states, 99 states have (on average 1.4545454545454546) internal successors, (144), 100 states have internal predecessors, (144), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 15:14:51,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-12-02 15:14:51,288 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:14:51,289 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:14:51,289 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:14:51,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:14:51,294 INFO L85 PathProgramCache]: Analyzing trace with hash 1938011596, now seen corresponding path program 1 times [2024-12-02 15:14:51,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:14:51,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1862724780] [2024-12-02 15:14:51,305 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:14:51,305 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 15:14:51,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:14:51,307 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 15:14:51,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-12-02 15:14:51,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:14:51,816 INFO L256 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 15:14:51,823 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:14:51,850 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-12-02 15:14:51,851 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:14:51,851 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:14:51,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1862724780] [2024-12-02 15:14:51,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1862724780] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:14:51,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:14:51,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 15:14:51,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246337474] [2024-12-02 15:14:51,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:14:51,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 15:14:51,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:14:51,871 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 15:14:51,871 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 15:14:51,873 INFO L87 Difference]: Start difference. First operand has 113 states, 99 states have (on average 1.4545454545454546) internal successors, (144), 100 states have internal predecessors, (144), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 15:14:51,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:14:51,896 INFO L93 Difference]: Finished difference Result 219 states and 337 transitions. [2024-12-02 15:14:51,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 15:14:51,898 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 112 [2024-12-02 15:14:51,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:14:51,903 INFO L225 Difference]: With dead ends: 219 [2024-12-02 15:14:51,904 INFO L226 Difference]: Without dead ends: 109 [2024-12-02 15:14:51,906 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 15:14:51,909 INFO L435 NwaCegarLoop]: 157 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:14:51,909 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:14:51,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-12-02 15:14:51,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2024-12-02 15:14:51,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 96 states have (on average 1.40625) internal successors, (135), 96 states have internal predecessors, (135), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 15:14:51,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 157 transitions. [2024-12-02 15:14:51,941 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 157 transitions. Word has length 112 [2024-12-02 15:14:51,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:14:51,942 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 157 transitions. [2024-12-02 15:14:51,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 15:14:51,942 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 157 transitions. [2024-12-02 15:14:51,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-12-02 15:14:51,945 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:14:51,945 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:14:51,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-12-02 15:14:52,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 15:14:52,146 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:14:52,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:14:52,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1962849030, now seen corresponding path program 1 times [2024-12-02 15:14:52,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:14:52,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [865715049] [2024-12-02 15:14:52,148 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:14:52,148 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 15:14:52,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:14:52,149 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 15:14:52,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-12-02 15:14:52,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:14:52,631 INFO L256 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 15:14:52,635 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:14:52,675 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-12-02 15:14:52,675 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:14:52,675 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:14:52,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [865715049] [2024-12-02 15:14:52,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [865715049] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:14:52,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:14:52,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:14:52,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031198038] [2024-12-02 15:14:52,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:14:52,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:14:52,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:14:52,678 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:14:52,678 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:14:52,678 INFO L87 Difference]: Start difference. First operand 109 states and 157 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 15:14:52,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:14:52,755 INFO L93 Difference]: Finished difference Result 217 states and 314 transitions. [2024-12-02 15:14:52,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:14:52,756 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 112 [2024-12-02 15:14:52,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:14:52,757 INFO L225 Difference]: With dead ends: 217 [2024-12-02 15:14:52,757 INFO L226 Difference]: Without dead ends: 111 [2024-12-02 15:14:52,758 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:14:52,759 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 0 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:14:52,759 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 454 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:14:52,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-12-02 15:14:52,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2024-12-02 15:14:52,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 98 states have (on average 1.3979591836734695) internal successors, (137), 98 states have internal predecessors, (137), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-12-02 15:14:52,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2024-12-02 15:14:52,770 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 112 [2024-12-02 15:14:52,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:14:52,771 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2024-12-02 15:14:52,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 15:14:52,771 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2024-12-02 15:14:52,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-12-02 15:14:52,772 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:14:52,773 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:14:52,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-12-02 15:14:52,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 15:14:52,973 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:14:52,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:14:52,974 INFO L85 PathProgramCache]: Analyzing trace with hash 611463812, now seen corresponding path program 1 times [2024-12-02 15:14:52,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:14:52,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [277028757] [2024-12-02 15:14:52,974 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:14:52,975 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 15:14:52,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:14:52,976 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 15:14:52,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-12-02 15:14:53,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:14:53,459 INFO L256 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 15:14:53,469 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:14:53,580 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:14:53,581 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 62 treesize of output 20 [2024-12-02 15:14:54,642 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 15:14:54,642 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:14:54,643 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:14:54,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [277028757] [2024-12-02 15:14:54,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [277028757] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:14:54,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:14:54,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:14:54,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855609735] [2024-12-02 15:14:54,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:14:54,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:14:54,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:14:54,644 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:14:54,644 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:14:54,645 INFO L87 Difference]: Start difference. First operand 111 states and 159 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 15:14:59,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:15:01,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:01,462 INFO L93 Difference]: Finished difference Result 357 states and 510 transitions. [2024-12-02 15:15:01,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:15:01,467 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 112 [2024-12-02 15:15:01,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:01,468 INFO L225 Difference]: With dead ends: 357 [2024-12-02 15:15:01,468 INFO L226 Difference]: Without dead ends: 249 [2024-12-02 15:15:01,469 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:15:01,469 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 202 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:01,470 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 365 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2024-12-02 15:15:01,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2024-12-02 15:15:01,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 216. [2024-12-02 15:15:01,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 191 states have (on average 1.382198952879581) internal successors, (264), 191 states have internal predecessors, (264), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 15:15:01,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 308 transitions. [2024-12-02 15:15:01,488 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 308 transitions. Word has length 112 [2024-12-02 15:15:01,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:01,488 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 308 transitions. [2024-12-02 15:15:01,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 15:15:01,489 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 308 transitions. [2024-12-02 15:15:01,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-12-02 15:15:01,491 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:01,491 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:01,500 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-12-02 15:15:01,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 15:15:01,691 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:01,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:01,692 INFO L85 PathProgramCache]: Analyzing trace with hash -726119745, now seen corresponding path program 1 times [2024-12-02 15:15:01,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:15:01,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [106075092] [2024-12-02 15:15:01,693 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:01,693 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 15:15:01,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:15:01,694 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 15:15:01,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-12-02 15:15:02,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:02,152 INFO L256 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 15:15:02,154 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:15:02,193 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 15:15:02,193 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:15:02,193 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:15:02,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [106075092] [2024-12-02 15:15:02,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [106075092] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:02,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:02,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:15:02,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295694390] [2024-12-02 15:15:02,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:02,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:15:02,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:15:02,195 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:15:02,195 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:15:02,195 INFO L87 Difference]: Start difference. First operand 216 states and 308 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 15:15:02,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:02,262 INFO L93 Difference]: Finished difference Result 439 states and 627 transitions. [2024-12-02 15:15:02,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:15:02,263 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 113 [2024-12-02 15:15:02,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:02,265 INFO L225 Difference]: With dead ends: 439 [2024-12-02 15:15:02,265 INFO L226 Difference]: Without dead ends: 226 [2024-12-02 15:15:02,266 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:15:02,266 INFO L435 NwaCegarLoop]: 152 mSDtfsCounter, 1 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 592 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:02,267 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 592 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:15:02,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2024-12-02 15:15:02,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 224. [2024-12-02 15:15:02,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 199 states have (on average 1.3668341708542713) internal successors, (272), 199 states have internal predecessors, (272), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 15:15:02,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 316 transitions. [2024-12-02 15:15:02,284 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 316 transitions. Word has length 113 [2024-12-02 15:15:02,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:02,284 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 316 transitions. [2024-12-02 15:15:02,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 15:15:02,285 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 316 transitions. [2024-12-02 15:15:02,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-12-02 15:15:02,286 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:02,287 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:02,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-12-02 15:15:02,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 15:15:02,487 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:02,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:02,488 INFO L85 PathProgramCache]: Analyzing trace with hash -46061375, now seen corresponding path program 1 times [2024-12-02 15:15:02,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:15:02,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1315739973] [2024-12-02 15:15:02,488 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:02,488 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 15:15:02,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:15:02,490 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 15:15:02,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-12-02 15:15:02,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:02,927 INFO L256 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 15:15:02,929 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:15:02,979 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 15:15:02,979 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:15:02,979 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:15:02,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1315739973] [2024-12-02 15:15:02,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1315739973] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:02,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:02,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 15:15:02,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066583857] [2024-12-02 15:15:02,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:02,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:15:02,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:15:02,981 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:15:02,981 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:15:02,981 INFO L87 Difference]: Start difference. First operand 224 states and 316 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 15:15:03,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:03,064 INFO L93 Difference]: Finished difference Result 451 states and 637 transitions. [2024-12-02 15:15:03,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:15:03,064 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 113 [2024-12-02 15:15:03,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:03,066 INFO L225 Difference]: With dead ends: 451 [2024-12-02 15:15:03,066 INFO L226 Difference]: Without dead ends: 230 [2024-12-02 15:15:03,066 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:15:03,067 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 1 mSDsluCounter, 580 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 730 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:03,067 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 730 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:15:03,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2024-12-02 15:15:03,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 228. [2024-12-02 15:15:03,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 203 states have (on average 1.3596059113300492) internal successors, (276), 203 states have internal predecessors, (276), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 15:15:03,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 320 transitions. [2024-12-02 15:15:03,081 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 320 transitions. Word has length 113 [2024-12-02 15:15:03,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:03,081 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 320 transitions. [2024-12-02 15:15:03,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 15:15:03,082 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 320 transitions. [2024-12-02 15:15:03,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-12-02 15:15:03,083 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:03,083 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:03,096 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-12-02 15:15:03,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 15:15:03,284 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:03,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:03,284 INFO L85 PathProgramCache]: Analyzing trace with hash 1728945987, now seen corresponding path program 1 times [2024-12-02 15:15:03,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:15:03,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2056423870] [2024-12-02 15:15:03,285 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:03,285 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 15:15:03,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:15:03,287 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 15:15:03,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-12-02 15:15:03,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:03,705 INFO L256 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-02 15:15:03,708 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:15:03,767 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 15:15:03,767 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:15:03,767 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:15:03,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2056423870] [2024-12-02 15:15:03,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2056423870] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:03,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:03,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 15:15:03,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064024360] [2024-12-02 15:15:03,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:03,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 15:15:03,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:15:03,769 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 15:15:03,769 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:15:03,769 INFO L87 Difference]: Start difference. First operand 228 states and 320 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 15:15:03,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:03,851 INFO L93 Difference]: Finished difference Result 459 states and 645 transitions. [2024-12-02 15:15:03,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:15:03,852 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 113 [2024-12-02 15:15:03,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:03,854 INFO L225 Difference]: With dead ends: 459 [2024-12-02 15:15:03,854 INFO L226 Difference]: Without dead ends: 234 [2024-12-02 15:15:03,854 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:15:03,855 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 1 mSDsluCounter, 721 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 869 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:03,855 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 869 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:15:03,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2024-12-02 15:15:03,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 232. [2024-12-02 15:15:03,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 207 states have (on average 1.3526570048309179) internal successors, (280), 207 states have internal predecessors, (280), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 15:15:03,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 324 transitions. [2024-12-02 15:15:03,869 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 324 transitions. Word has length 113 [2024-12-02 15:15:03,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:03,869 INFO L471 AbstractCegarLoop]: Abstraction has 232 states and 324 transitions. [2024-12-02 15:15:03,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 15:15:03,870 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 324 transitions. [2024-12-02 15:15:03,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-12-02 15:15:03,871 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:03,871 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:03,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-12-02 15:15:04,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 15:15:04,072 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:04,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:04,072 INFO L85 PathProgramCache]: Analyzing trace with hash 1730793029, now seen corresponding path program 1 times [2024-12-02 15:15:04,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:15:04,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [715968059] [2024-12-02 15:15:04,072 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:04,072 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 15:15:04,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:15:04,074 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 15:15:04,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-12-02 15:15:04,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:04,558 INFO L256 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 15:15:04,561 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:15:04,675 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:15:04,675 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 155 treesize of output 65 [2024-12-02 15:15:04,709 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-12-02 15:15:04,709 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:15:04,709 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:15:04,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [715968059] [2024-12-02 15:15:04,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [715968059] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:04,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:04,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:15:04,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397498411] [2024-12-02 15:15:04,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:04,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:15:04,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:15:04,710 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:15:04,710 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:15:04,710 INFO L87 Difference]: Start difference. First operand 232 states and 324 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 15:15:07,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:07,477 INFO L93 Difference]: Finished difference Result 461 states and 645 transitions. [2024-12-02 15:15:07,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:15:07,478 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 113 [2024-12-02 15:15:07,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:07,479 INFO L225 Difference]: With dead ends: 461 [2024-12-02 15:15:07,479 INFO L226 Difference]: Without dead ends: 232 [2024-12-02 15:15:07,479 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:15:07,479 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 144 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:07,480 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 405 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-12-02 15:15:07,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2024-12-02 15:15:07,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 228. [2024-12-02 15:15:07,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 203 states have (on average 1.3497536945812807) internal successors, (274), 203 states have internal predecessors, (274), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 15:15:07,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 318 transitions. [2024-12-02 15:15:07,490 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 318 transitions. Word has length 113 [2024-12-02 15:15:07,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:07,491 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 318 transitions. [2024-12-02 15:15:07,491 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 15:15:07,491 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 318 transitions. [2024-12-02 15:15:07,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-12-02 15:15:07,492 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:07,492 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:07,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-12-02 15:15:07,692 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 15:15:07,692 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:07,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:07,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1230265213, now seen corresponding path program 1 times [2024-12-02 15:15:07,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:15:07,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1598373153] [2024-12-02 15:15:07,693 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:07,693 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 15:15:07,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:15:07,694 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 15:15:07,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-12-02 15:15:08,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:08,128 INFO L256 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-02 15:15:08,130 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:15:08,295 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:15:08,296 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 154 treesize of output 64 [2024-12-02 15:15:08,369 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 96 proven. 8 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-12-02 15:15:08,370 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:15:08,668 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:15:08,668 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 98 treesize of output 1 [2024-12-02 15:15:08,680 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 6 proven. 24 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-12-02 15:15:08,680 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:15:08,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1598373153] [2024-12-02 15:15:08,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1598373153] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 15:15:08,680 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 15:15:08,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 12 [2024-12-02 15:15:08,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063342617] [2024-12-02 15:15:08,680 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 15:15:08,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 15:15:08,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:15:08,682 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 15:15:08,682 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-12-02 15:15:08,682 INFO L87 Difference]: Start difference. First operand 228 states and 318 transitions. Second operand has 12 states, 11 states have (on average 7.7272727272727275) internal successors, (85), 12 states have internal predecessors, (85), 4 states have call successors, (21), 3 states have call predecessors, (21), 4 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) [2024-12-02 15:15:11,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:15:13,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:15:13,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:13,731 INFO L93 Difference]: Finished difference Result 479 states and 663 transitions. [2024-12-02 15:15:13,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 15:15:13,731 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.7272727272727275) internal successors, (85), 12 states have internal predecessors, (85), 4 states have call successors, (21), 3 states have call predecessors, (21), 4 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) Word has length 115 [2024-12-02 15:15:13,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:13,732 INFO L225 Difference]: With dead ends: 479 [2024-12-02 15:15:13,732 INFO L226 Difference]: Without dead ends: 232 [2024-12-02 15:15:13,733 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=96, Invalid=366, Unknown=0, NotChecked=0, Total=462 [2024-12-02 15:15:13,733 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 143 mSDsluCounter, 439 mSDsCounter, 0 mSdLazyCounter, 421 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 537 SdHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:13,733 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 537 Invalid, 430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 421 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2024-12-02 15:15:13,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2024-12-02 15:15:13,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 228. [2024-12-02 15:15:13,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 203 states have (on average 1.3300492610837438) internal successors, (270), 203 states have internal predecessors, (270), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 15:15:13,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 314 transitions. [2024-12-02 15:15:13,741 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 314 transitions. Word has length 115 [2024-12-02 15:15:13,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:13,741 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 314 transitions. [2024-12-02 15:15:13,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.7272727272727275) internal successors, (85), 12 states have internal predecessors, (85), 4 states have call successors, (21), 3 states have call predecessors, (21), 4 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) [2024-12-02 15:15:13,741 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 314 transitions. [2024-12-02 15:15:13,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-12-02 15:15:13,742 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:13,742 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:13,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-12-02 15:15:13,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 15:15:13,943 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:13,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:13,943 INFO L85 PathProgramCache]: Analyzing trace with hash -1158298817, now seen corresponding path program 1 times [2024-12-02 15:15:13,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:15:13,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [852812303] [2024-12-02 15:15:13,944 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:13,944 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 15:15:13,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:15:13,945 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 15:15:13,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-12-02 15:15:14,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:14,377 INFO L256 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 15:15:14,380 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:15:14,554 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:15:14,555 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 173 treesize of output 65 [2024-12-02 15:15:14,587 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-12-02 15:15:14,587 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:15:14,587 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:15:14,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [852812303] [2024-12-02 15:15:14,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [852812303] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:14,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:14,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:15:14,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806395754] [2024-12-02 15:15:14,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:14,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:15:14,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:15:14,588 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:15:14,588 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:15:14,588 INFO L87 Difference]: Start difference. First operand 228 states and 314 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 15:15:17,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:15:17,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:17,906 INFO L93 Difference]: Finished difference Result 455 states and 627 transitions. [2024-12-02 15:15:17,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:15:17,907 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 115 [2024-12-02 15:15:17,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:17,908 INFO L225 Difference]: With dead ends: 455 [2024-12-02 15:15:17,908 INFO L226 Difference]: Without dead ends: 230 [2024-12-02 15:15:17,908 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:15:17,908 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 132 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:17,909 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 393 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-12-02 15:15:17,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2024-12-02 15:15:17,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 228. [2024-12-02 15:15:17,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 203 states have (on average 1.3201970443349753) internal successors, (268), 203 states have internal predecessors, (268), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 15:15:17,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 312 transitions. [2024-12-02 15:15:17,915 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 312 transitions. Word has length 115 [2024-12-02 15:15:17,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:17,916 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 312 transitions. [2024-12-02 15:15:17,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 15:15:17,916 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 312 transitions. [2024-12-02 15:15:17,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-12-02 15:15:17,917 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:17,917 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:17,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2024-12-02 15:15:18,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 15:15:18,117 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:18,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:18,118 INFO L85 PathProgramCache]: Analyzing trace with hash 1359241349, now seen corresponding path program 1 times [2024-12-02 15:15:18,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:15:18,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [988739786] [2024-12-02 15:15:18,118 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:18,118 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 15:15:18,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:15:18,120 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 15:15:18,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-12-02 15:15:18,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:18,617 INFO L256 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 15:15:18,619 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:15:18,824 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:15:18,824 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 175 treesize of output 67 [2024-12-02 15:15:18,851 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-12-02 15:15:18,851 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:15:18,851 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:15:18,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [988739786] [2024-12-02 15:15:18,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [988739786] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:18,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:18,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:15:18,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690554956] [2024-12-02 15:15:18,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:18,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:15:18,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:15:18,852 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:15:18,852 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:15:18,852 INFO L87 Difference]: Start difference. First operand 228 states and 312 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 15:15:20,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:15:22,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:22,510 INFO L93 Difference]: Finished difference Result 455 states and 623 transitions. [2024-12-02 15:15:22,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:15:22,511 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 117 [2024-12-02 15:15:22,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:22,512 INFO L225 Difference]: With dead ends: 455 [2024-12-02 15:15:22,512 INFO L226 Difference]: Without dead ends: 230 [2024-12-02 15:15:22,513 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:15:22,513 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 123 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:22,514 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 389 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2024-12-02 15:15:22,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2024-12-02 15:15:22,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 228. [2024-12-02 15:15:22,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 203 states have (on average 1.3103448275862069) internal successors, (266), 203 states have internal predecessors, (266), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 15:15:22,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 310 transitions. [2024-12-02 15:15:22,525 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 310 transitions. Word has length 117 [2024-12-02 15:15:22,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:22,525 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 310 transitions. [2024-12-02 15:15:22,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 15:15:22,525 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 310 transitions. [2024-12-02 15:15:22,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-12-02 15:15:22,526 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:22,526 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:22,539 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2024-12-02 15:15:22,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 15:15:22,727 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:22,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:22,727 INFO L85 PathProgramCache]: Analyzing trace with hash 867926911, now seen corresponding path program 1 times [2024-12-02 15:15:22,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:15:22,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1326714522] [2024-12-02 15:15:22,728 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:22,728 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 15:15:22,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:15:22,730 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 15:15:22,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2024-12-02 15:15:23,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:23,219 INFO L256 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 15:15:23,221 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:15:23,378 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:15:23,378 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 173 treesize of output 65 [2024-12-02 15:15:23,409 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-02 15:15:23,409 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:15:23,409 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:15:23,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1326714522] [2024-12-02 15:15:23,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1326714522] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:23,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:23,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:15:23,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436956402] [2024-12-02 15:15:23,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:23,409 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:15:23,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:15:23,410 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:15:23,410 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:15:23,410 INFO L87 Difference]: Start difference. First operand 228 states and 310 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 15:15:26,540 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:15:26,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:15:26,835 INFO L93 Difference]: Finished difference Result 455 states and 619 transitions. [2024-12-02 15:15:26,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:15:26,836 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 119 [2024-12-02 15:15:26,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:15:26,837 INFO L225 Difference]: With dead ends: 455 [2024-12-02 15:15:26,837 INFO L226 Difference]: Without dead ends: 230 [2024-12-02 15:15:26,837 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:15:26,837 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 114 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:15:26,838 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 385 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-12-02 15:15:26,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2024-12-02 15:15:26,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 228. [2024-12-02 15:15:26,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 203 states have (on average 1.3004926108374384) internal successors, (264), 203 states have internal predecessors, (264), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-12-02 15:15:26,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 308 transitions. [2024-12-02 15:15:26,844 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 308 transitions. Word has length 119 [2024-12-02 15:15:26,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:15:26,844 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 308 transitions. [2024-12-02 15:15:26,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 15:15:26,845 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 308 transitions. [2024-12-02 15:15:26,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-12-02 15:15:26,845 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:15:26,845 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:15:26,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2024-12-02 15:15:27,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 15:15:27,046 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:15:27,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:15:27,046 INFO L85 PathProgramCache]: Analyzing trace with hash -700276027, now seen corresponding path program 1 times [2024-12-02 15:15:27,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:15:27,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1290384192] [2024-12-02 15:15:27,047 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:15:27,047 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 15:15:27,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:15:27,048 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 15:15:27,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2024-12-02 15:15:27,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:15:27,717 INFO L256 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-02 15:15:27,720 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:15:27,925 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-02 15:15:28,371 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 65 [2024-12-02 15:15:28,702 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:15:28,702 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 143 treesize of output 59 [2024-12-02 15:15:42,296 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-02 15:15:42,296 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:15:42,296 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:15:42,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1290384192] [2024-12-02 15:15:42,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1290384192] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:15:42,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:15:42,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 15:15:42,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539827960] [2024-12-02 15:15:42,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:15:42,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 15:15:42,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:15:42,297 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 15:15:42,297 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=97, Unknown=3, NotChecked=0, Total=132 [2024-12-02 15:15:42,297 INFO L87 Difference]: Start difference. First operand 228 states and 308 transitions. Second operand has 12 states, 12 states have (on average 6.0) internal successors, (72), 11 states have internal predecessors, (72), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 15:15:46,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:15:51,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:15:56,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:16:01,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:16:06,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:16:10,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:16:15,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:16:19,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:16:24,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:16:29,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:16:36,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:16:41,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:16:44,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:16:49,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:16:54,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:16:58,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:17:03,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:17:08,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:17:12,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:17:17,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:17:21,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.43s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:17:24,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:17:28,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:17:33,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:17:37,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.43s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:17:42,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:17:44,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:17:48,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:17:54,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:17:59,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:18:03,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:18:08,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:18:13,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:18:18,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:18:23,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:18:28,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:18:32,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:18:37,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:18:41,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.43s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:18:47,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:18:51,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:19:06,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:19:20,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:19:24,713 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:19:29,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:19:34,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:19:39,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:19:43,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:19:48,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.44s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:19:52,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:19:57,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:20:01,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:20:06,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.42s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:20:10,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.42s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:20:15,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:20:19,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:20:24,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:20:28,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:20:33,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:20:37,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:20:39,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:20:41,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:20:45,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:20:49,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:20:54,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:20:58,916 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:21:03,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:21:08,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:21:12,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:21:17,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:21:22,082 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:21:26,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:21:31,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:21:35,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:21:40,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:21:44,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:21:49,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:21:54,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.42s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:21:58,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:22:02,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:22:07,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:22:11,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:22:16,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:22:20,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:22:25,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:22:29,522 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.42s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:22:33,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:22:38,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:22:43,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:22:48,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:22:53,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:22:57,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:23:02,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:23:07,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:23:11,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:23:16,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:23:21,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:23:25,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:23:30,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:23:34,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:23:39,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:23:44,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:23:48,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:23:53,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:23:58,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:24:02,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:24:07,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:24:12,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.42s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:24:16,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:24:21,394 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:24:26,044 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:24:30,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.42s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:24:35,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:24:40,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:24:44,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:24:49,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.44s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:24:53,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:24:58,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:25:03,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:25:07,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.44s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:25:13,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.62s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:25:17,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:25:23,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:25:28,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:25:33,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:25:38,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:25:43,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:25:47,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:25:52,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:25:57,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:26:02,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:26:06,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:26:11,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:26:16,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:26:20,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:26:25,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.43s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:26:29,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.45s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:26:34,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:26:39,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-02 15:26:40,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:26:40,085 INFO L93 Difference]: Finished difference Result 862 states and 1160 transitions. [2024-12-02 15:26:40,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 15:26:40,086 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.0) internal successors, (72), 11 states have internal predecessors, (72), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 121 [2024-12-02 15:26:40,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:26:40,090 INFO L225 Difference]: With dead ends: 862 [2024-12-02 15:26:40,090 INFO L226 Difference]: Without dead ends: 637 [2024-12-02 15:26:40,091 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 32.9s TimeCoverageRelationStatistics Valid=50, Invalid=153, Unknown=7, NotChecked=0, Total=210 [2024-12-02 15:26:40,092 INFO L435 NwaCegarLoop]: 205 mSDtfsCounter, 368 mSDsluCounter, 1201 mSDsCounter, 0 mSdLazyCounter, 1019 mSolverCounterSat, 4 mSolverCounterUnsat, 134 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 581.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 368 SdHoareTripleChecker+Valid, 1406 SdHoareTripleChecker+Invalid, 1157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1019 IncrementalHoareTripleChecker+Invalid, 134 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 638.5s IncrementalHoareTripleChecker+Time [2024-12-02 15:26:40,092 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [368 Valid, 1406 Invalid, 1157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1019 Invalid, 134 Unknown, 0 Unchecked, 638.5s Time] [2024-12-02 15:26:40,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2024-12-02 15:26:40,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 629. [2024-12-02 15:26:40,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 629 states, 566 states have (on average 1.295053003533569) internal successors, (733), 570 states have internal predecessors, (733), 56 states have call successors, (56), 6 states have call predecessors, (56), 6 states have return successors, (56), 52 states have call predecessors, (56), 56 states have call successors, (56) [2024-12-02 15:26:40,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 629 states and 845 transitions. [2024-12-02 15:26:40,141 INFO L78 Accepts]: Start accepts. Automaton has 629 states and 845 transitions. Word has length 121 [2024-12-02 15:26:40,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:26:40,142 INFO L471 AbstractCegarLoop]: Abstraction has 629 states and 845 transitions. [2024-12-02 15:26:40,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.0) internal successors, (72), 11 states have internal predecessors, (72), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 15:26:40,142 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 845 transitions. [2024-12-02 15:26:40,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-12-02 15:26:40,143 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:26:40,144 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:26:40,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2024-12-02 15:26:40,344 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 15:26:40,344 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:26:40,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:26:40,345 INFO L85 PathProgramCache]: Analyzing trace with hash -559727417, now seen corresponding path program 1 times [2024-12-02 15:26:40,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:26:40,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1840590122] [2024-12-02 15:26:40,345 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:26:40,345 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 15:26:40,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:26:40,347 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 15:26:40,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2024-12-02 15:26:40,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:26:40,843 INFO L256 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-02 15:26:40,846 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:26:51,534 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 34 [2024-12-02 15:26:52,265 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-02 15:26:52,265 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:26:52,265 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:26:52,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1840590122] [2024-12-02 15:26:52,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1840590122] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:26:52,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:26:52,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 15:26:52,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764611122] [2024-12-02 15:26:52,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:26:52,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-02 15:26:52,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:26:52,267 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-02 15:26:52,267 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-12-02 15:26:52,267 INFO L87 Difference]: Start difference. First operand 629 states and 845 transitions. Second operand has 8 states, 8 states have (on average 9.0) internal successors, (72), 7 states have internal predecessors, (72), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 15:27:01,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:27:08,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:27:11,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:27:15,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:27:21,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:27:21,363 INFO L93 Difference]: Finished difference Result 1563 states and 2096 transitions. [2024-12-02 15:27:21,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 15:27:21,364 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 7 states have internal predecessors, (72), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 121 [2024-12-02 15:27:21,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:27:21,369 INFO L225 Difference]: With dead ends: 1563 [2024-12-02 15:27:21,369 INFO L226 Difference]: Without dead ends: 937 [2024-12-02 15:27:21,370 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-12-02 15:27:21,371 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 295 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 600 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:27:21,371 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 563 Invalid, 603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 600 Invalid, 0 Unknown, 0 Unchecked, 28.2s Time] [2024-12-02 15:27:21,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 937 states. [2024-12-02 15:27:21,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 937 to 751. [2024-12-02 15:27:21,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 751 states, 670 states have (on average 1.2925373134328357) internal successors, (866), 675 states have internal predecessors, (866), 72 states have call successors, (72), 8 states have call predecessors, (72), 8 states have return successors, (72), 67 states have call predecessors, (72), 72 states have call successors, (72) [2024-12-02 15:27:21,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 751 states and 1010 transitions. [2024-12-02 15:27:21,414 INFO L78 Accepts]: Start accepts. Automaton has 751 states and 1010 transitions. Word has length 121 [2024-12-02 15:27:21,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:27:21,414 INFO L471 AbstractCegarLoop]: Abstraction has 751 states and 1010 transitions. [2024-12-02 15:27:21,414 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 7 states have internal predecessors, (72), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 15:27:21,414 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 1010 transitions. [2024-12-02 15:27:21,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-12-02 15:27:21,416 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:27:21,416 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:27:21,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Ended with exit code 0 [2024-12-02 15:27:21,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 15:27:21,616 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:27:21,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:27:21,617 INFO L85 PathProgramCache]: Analyzing trace with hash -498452093, now seen corresponding path program 1 times [2024-12-02 15:27:21,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:27:21,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [455938602] [2024-12-02 15:27:21,617 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:27:21,617 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 15:27:21,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:27:21,619 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 15:27:21,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2024-12-02 15:27:22,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:27:22,083 INFO L256 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 15:27:22,084 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:27:22,431 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-02 15:27:22,431 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:27:22,431 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:27:22,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [455938602] [2024-12-02 15:27:22,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [455938602] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:27:22,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:27:22,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:27:22,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178190256] [2024-12-02 15:27:22,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:27:22,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:27:22,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:27:22,433 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:27:22,433 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:27:22,433 INFO L87 Difference]: Start difference. First operand 751 states and 1010 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 15:27:22,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:27:22,904 INFO L93 Difference]: Finished difference Result 1499 states and 2017 transitions. [2024-12-02 15:27:22,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:27:22,905 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 121 [2024-12-02 15:27:22,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:27:22,909 INFO L225 Difference]: With dead ends: 1499 [2024-12-02 15:27:22,909 INFO L226 Difference]: Without dead ends: 751 [2024-12-02 15:27:22,910 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:27:22,911 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 0 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:27:22,911 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 439 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 15:27:22,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 751 states. [2024-12-02 15:27:22,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 751 to 751. [2024-12-02 15:27:22,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 751 states, 670 states have (on average 1.2895522388059701) internal successors, (864), 675 states have internal predecessors, (864), 72 states have call successors, (72), 8 states have call predecessors, (72), 8 states have return successors, (72), 67 states have call predecessors, (72), 72 states have call successors, (72) [2024-12-02 15:27:22,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 751 states and 1008 transitions. [2024-12-02 15:27:22,961 INFO L78 Accepts]: Start accepts. Automaton has 751 states and 1008 transitions. Word has length 121 [2024-12-02 15:27:22,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:27:22,961 INFO L471 AbstractCegarLoop]: Abstraction has 751 states and 1008 transitions. [2024-12-02 15:27:22,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 15:27:22,961 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 1008 transitions. [2024-12-02 15:27:22,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-12-02 15:27:22,963 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:27:22,963 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:27:22,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Ended with exit code 0 [2024-12-02 15:27:23,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 15:27:23,163 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:27:23,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:27:23,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1119894665, now seen corresponding path program 1 times [2024-12-02 15:27:23,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:27:23,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1736492866] [2024-12-02 15:27:23,164 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:27:23,164 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 15:27:23,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:27:23,166 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 15:27:23,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2024-12-02 15:27:23,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:27:23,639 INFO L256 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 15:27:23,641 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:27:24,168 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 15:27:24,168 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:27:24,168 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:27:24,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1736492866] [2024-12-02 15:27:24,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1736492866] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:27:24,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:27:24,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:27:24,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535912240] [2024-12-02 15:27:24,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:27:24,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:27:24,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:27:24,170 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:27:24,170 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:27:24,170 INFO L87 Difference]: Start difference. First operand 751 states and 1008 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 15:27:24,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:27:24,854 INFO L93 Difference]: Finished difference Result 1520 states and 2041 transitions. [2024-12-02 15:27:24,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:27:24,855 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 123 [2024-12-02 15:27:24,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:27:24,858 INFO L225 Difference]: With dead ends: 1520 [2024-12-02 15:27:24,858 INFO L226 Difference]: Without dead ends: 772 [2024-12-02 15:27:24,859 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:27:24,860 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 0 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 15:27:24,860 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 575 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 15:27:24,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 772 states. [2024-12-02 15:27:24,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 772 to 772. [2024-12-02 15:27:24,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 772 states, 691 states have (on average 1.280752532561505) internal successors, (885), 696 states have internal predecessors, (885), 72 states have call successors, (72), 8 states have call predecessors, (72), 8 states have return successors, (72), 67 states have call predecessors, (72), 72 states have call successors, (72) [2024-12-02 15:27:24,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 772 states and 1029 transitions. [2024-12-02 15:27:24,893 INFO L78 Accepts]: Start accepts. Automaton has 772 states and 1029 transitions. Word has length 123 [2024-12-02 15:27:24,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:27:24,893 INFO L471 AbstractCegarLoop]: Abstraction has 772 states and 1029 transitions. [2024-12-02 15:27:24,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 15:27:24,893 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 1029 transitions. [2024-12-02 15:27:24,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-12-02 15:27:24,895 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:27:24,895 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:27:24,908 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Ended with exit code 0 [2024-12-02 15:27:25,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 15:27:25,095 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:27:25,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:27:25,096 INFO L85 PathProgramCache]: Analyzing trace with hash 714141121, now seen corresponding path program 1 times [2024-12-02 15:27:25,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:27:25,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1793592776] [2024-12-02 15:27:25,097 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:27:25,097 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 15:27:25,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:27:25,099 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 15:27:25,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2024-12-02 15:27:25,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:27:25,842 INFO L256 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-02 15:27:25,845 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:27:28,931 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 15:27:34,890 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 19 [2024-12-02 15:27:35,638 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 21 [2024-12-02 15:27:36,248 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 118 proven. 12 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-12-02 15:27:36,248 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:27:41,570 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 18 proven. 12 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-12-02 15:27:41,570 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:27:41,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1793592776] [2024-12-02 15:27:41,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1793592776] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 15:27:41,571 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 15:27:41,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-12-02 15:27:41,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11764154] [2024-12-02 15:27:41,571 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 15:27:41,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-12-02 15:27:41,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:27:41,572 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-12-02 15:27:41,572 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2024-12-02 15:27:41,572 INFO L87 Difference]: Start difference. First operand 772 states and 1029 transitions. Second operand has 15 states, 13 states have (on average 10.461538461538462) internal successors, (136), 15 states have internal predecessors, (136), 6 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 4 states have call predecessors, (22), 6 states have call successors, (22) [2024-12-02 15:27:59,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:28:04,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:28:08,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:28:14,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:28:17,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:28:22,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:28:31,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:28:31,358 INFO L93 Difference]: Finished difference Result 2255 states and 2985 transitions. [2024-12-02 15:28:31,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-02 15:28:31,360 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 10.461538461538462) internal successors, (136), 15 states have internal predecessors, (136), 6 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 4 states have call predecessors, (22), 6 states have call successors, (22) Word has length 123 [2024-12-02 15:28:31,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:28:31,367 INFO L225 Difference]: With dead ends: 2255 [2024-12-02 15:28:31,367 INFO L226 Difference]: Without dead ends: 1444 [2024-12-02 15:28:31,369 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 9.8s TimeCoverageRelationStatistics Valid=207, Invalid=549, Unknown=0, NotChecked=0, Total=756 [2024-12-02 15:28:31,370 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 478 mSDsluCounter, 896 mSDsCounter, 0 mSdLazyCounter, 1080 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 490 SdHoareTripleChecker+Valid, 1044 SdHoareTripleChecker+Invalid, 1131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 1080 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.3s IncrementalHoareTripleChecker+Time [2024-12-02 15:28:31,370 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [490 Valid, 1044 Invalid, 1131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 1080 Invalid, 0 Unknown, 0 Unchecked, 44.3s Time] [2024-12-02 15:28:31,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1444 states. [2024-12-02 15:28:31,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1444 to 801. [2024-12-02 15:28:31,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 801 states, 716 states have (on average 1.270949720670391) internal successors, (910), 721 states have internal predecessors, (910), 72 states have call successors, (72), 12 states have call predecessors, (72), 12 states have return successors, (72), 67 states have call predecessors, (72), 72 states have call successors, (72) [2024-12-02 15:28:31,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 801 states and 1054 transitions. [2024-12-02 15:28:31,430 INFO L78 Accepts]: Start accepts. Automaton has 801 states and 1054 transitions. Word has length 123 [2024-12-02 15:28:31,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:28:31,430 INFO L471 AbstractCegarLoop]: Abstraction has 801 states and 1054 transitions. [2024-12-02 15:28:31,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 10.461538461538462) internal successors, (136), 15 states have internal predecessors, (136), 6 states have call successors, (22), 3 states have call predecessors, (22), 5 states have return successors, (22), 4 states have call predecessors, (22), 6 states have call successors, (22) [2024-12-02 15:28:31,431 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 1054 transitions. [2024-12-02 15:28:31,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-12-02 15:28:31,432 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:28:31,432 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:28:31,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2024-12-02 15:28:31,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 15:28:31,633 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:28:31,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:28:31,633 INFO L85 PathProgramCache]: Analyzing trace with hash -306927233, now seen corresponding path program 1 times [2024-12-02 15:28:31,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:28:31,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [908972879] [2024-12-02 15:28:31,634 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:28:31,634 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 15:28:31,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:28:31,635 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 15:28:31,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2024-12-02 15:28:32,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:28:32,306 INFO L256 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-02 15:28:32,310 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:28:35,542 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-02 15:28:42,850 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 63 [2024-12-02 15:28:46,583 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:28:46,583 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 140 treesize of output 56 [2024-12-02 15:28:49,037 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 4 proven. 132 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-02 15:28:49,038 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:29:01,664 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-02 15:29:01,664 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:29:01,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [908972879] [2024-12-02 15:29:01,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [908972879] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 15:29:01,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:29:01,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [16] total 24 [2024-12-02 15:29:01,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99511681] [2024-12-02 15:29:01,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:29:01,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 15:29:01,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 15:29:01,666 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 15:29:01,666 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=476, Unknown=0, NotChecked=0, Total=552 [2024-12-02 15:29:01,666 INFO L87 Difference]: Start difference. First operand 801 states and 1054 transitions. Second operand has 10 states, 10 states have (on average 7.1) internal successors, (71), 10 states have internal predecessors, (71), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 15:29:08,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 15:29:10,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-12-02 15:29:25,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:29:25,596 INFO L93 Difference]: Finished difference Result 1767 states and 2326 transitions. [2024-12-02 15:29:25,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 15:29:25,597 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.1) internal successors, (71), 10 states have internal predecessors, (71), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 123 [2024-12-02 15:29:25,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:29:25,601 INFO L225 Difference]: With dead ends: 1767 [2024-12-02 15:29:25,601 INFO L226 Difference]: Without dead ends: 1313 [2024-12-02 15:29:25,602 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 221 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 21.4s TimeCoverageRelationStatistics Valid=115, Invalid=697, Unknown=0, NotChecked=0, Total=812 [2024-12-02 15:29:25,602 INFO L435 NwaCegarLoop]: 313 mSDtfsCounter, 337 mSDsluCounter, 1757 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 337 SdHoareTripleChecker+Valid, 2070 SdHoareTripleChecker+Invalid, 334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:29:25,603 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [337 Valid, 2070 Invalid, 334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 20.2s Time] [2024-12-02 15:29:25,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1313 states. [2024-12-02 15:29:25,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1313 to 795. [2024-12-02 15:29:25,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 795 states, 710 states have (on average 1.271830985915493) internal successors, (903), 715 states have internal predecessors, (903), 72 states have call successors, (72), 12 states have call predecessors, (72), 12 states have return successors, (72), 67 states have call predecessors, (72), 72 states have call successors, (72) [2024-12-02 15:29:25,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 795 states and 1047 transitions. [2024-12-02 15:29:25,647 INFO L78 Accepts]: Start accepts. Automaton has 795 states and 1047 transitions. Word has length 123 [2024-12-02 15:29:25,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:29:25,647 INFO L471 AbstractCegarLoop]: Abstraction has 795 states and 1047 transitions. [2024-12-02 15:29:25,647 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.1) internal successors, (71), 10 states have internal predecessors, (71), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-12-02 15:29:25,647 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 1047 transitions. [2024-12-02 15:29:25,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-12-02 15:29:25,648 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:29:25,649 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:29:25,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Ended with exit code 0 [2024-12-02 15:29:25,849 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 15:29:25,849 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:29:25,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:29:25,849 INFO L85 PathProgramCache]: Analyzing trace with hash 115774593, now seen corresponding path program 1 times [2024-12-02 15:29:25,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 15:29:25,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [979265678] [2024-12-02 15:29:25,850 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:29:25,850 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 15:29:25,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 15:29:25,852 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-12-02 15:29:25,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2024-12-02 15:29:26,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:29:26,271 INFO L256 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-02 15:29:26,274 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:29:37,123 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 63 [2024-12-02 15:29:38,100 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 15:29:38,101 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 146 treesize of output 56 [2024-12-02 15:29:39,029 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 4 proven. 132 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-02 15:29:39,029 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:29:42,131 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 15:29:42,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [979265678] [2024-12-02 15:29:42,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [979265678] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:29:42,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1922972156] [2024-12-02 15:29:42,132 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:29:42,132 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 15:29:42,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 15:29:42,135 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 15:29:42,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_285afce1-eecf-44ef-9dc5-09ec66bf6391/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-02 15:29:44,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:29:44,764 INFO L256 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-02 15:29:44,768 INFO L279 TraceCheckSpWp]: Computing forward predicates...